.red{color: red}
.red-back{background-color: red}
.blue{color: blue}
.blue-back{background-color: blue}
.black{color: black}
.black-back{background-color: black}
.white{color: white}
.white-back{background-color: white}
.green{color: green}
.green-back{background-color: green}
#dbs{
    display:none;
    width: 240px;
    height: 150px;
    background: url('../image/msg.png');
    border-radius: 20px;padding-top:20px;
    position: absolute;
    top:-10%;
    left: 44%;
    z-index: 1;
}